histogram 1.2.0

A collection of histogram data structures
Documentation
name: Tag Release

on:
  push:
    branches: [main]

env:
  CARGO_TERM_COLOR: always

jobs:
  tag-release:
    name: Tag release and bump dev version
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    # Only run if the commit message starts with "release: v" (matches merge commit titles)
    if: "startsWith(github.event.head_commit.message, 'release: v')"

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.RELEASE_TOKEN }}

      - name: Configure git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Extract version
        id: version
        run: |
          VERSION=$(grep '^version = ' Cargo.toml | head -1 | sed 's/version = "\(.*\)"/\1/')
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Detected version: $VERSION"

      - name: Check if tag exists
        id: check_tag
        run: |
          if git rev-parse "v${{ steps.version.outputs.version }}" >/dev/null 2>&1; then
            echo "exists=true" >> $GITHUB_OUTPUT
            echo "Tag v${{ steps.version.outputs.version }} already exists"
          else
            echo "exists=false" >> $GITHUB_OUTPUT
          fi

      - name: Create and push tag
        if: steps.check_tag.outputs.exists == 'false'
        run: |
          git tag -a "v${{ steps.version.outputs.version }}" -m "Release v${{ steps.version.outputs.version }}"
          git push origin "v${{ steps.version.outputs.version }}"
          echo "Created and pushed tag v${{ steps.version.outputs.version }}"

      - name: Bump to next dev version
        if: steps.check_tag.outputs.exists == 'false'
        env:
          GH_TOKEN: ${{ secrets.RELEASE_TOKEN }}
        run: |
          # Calculate next dev version (patch bump + alpha.0)
          VERSION="${{ steps.version.outputs.version }}"
          IFS='.' read -r MAJOR MINOR PATCH <<< "$VERSION"
          NEXT_DEV="${MAJOR}.${MINOR}.$((PATCH + 1))-alpha.0"
          echo "Bumping to next dev version: $NEXT_DEV"

          # Create branch, update version, and open PR
          BRANCH="chore/bump-${NEXT_DEV}"
          git checkout -b "$BRANCH"

          sed -i "0,/^version = \"${VERSION}\"/s//version = \"${NEXT_DEV}\"/" Cargo.toml

          git add Cargo.toml
          git commit -m "chore: bump to ${NEXT_DEV} for next development iteration"
          git push origin "$BRANCH"

          gh pr create \
            --title "chore: bump to ${NEXT_DEV} for next development iteration" \
            --body "Automated version bump after v${VERSION} release." \
            --head "$BRANCH" \
            --base main

      - name: Summary
        run: |
          echo "## Release Tagged" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          if [ "${{ steps.check_tag.outputs.exists }}" == "true" ]; then
            echo "Tag v${{ steps.version.outputs.version }} already existed, skipped." >> $GITHUB_STEP_SUMMARY
          else
            echo "- Created tag: v${{ steps.version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
            echo "- Bumped to next dev version" >> $GITHUB_STEP_SUMMARY
            echo "" >> $GITHUB_STEP_SUMMARY
            echo "The release workflow will now build and publish artifacts." >> $GITHUB_STEP_SUMMARY
          fi